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1. They can use more secured ways to identify the real identity of their customer, the best thing to do here, aside from valid ID is they should add "take a selfie" on identity process.
2. They can also set a time limit of playing for a player, give notification if this would be their last game anymore for today.
3. Set a notification showing how long they've been playing.
With these kind of features, they might actually help or lessen the addiction of a gambler.
for the first, I do not agree if you have to identify customers using selfies, while some gamblers want to remain anonymous without anyone knowing when gambling. we are talking about crypto casinos which most people prefer to gamble anonymously but if this feature is enabled it will take away the anonymity of crypto gambling.
secondly, it seems that casinos cannot implement this feature because casinos cannot limit the freedom of gamblers to gamble at any time and how long they will gamble and casinos only provide a place to gamble without any restrictions.
I'm not sure if this feature can help reduce gambling addicts while gambling companies want to benefit from their customers who in reality cannot implement such features.
for me the only ones who can reduce gambling addiction are those who can control themselves, not the casino.